发明授权
- 专利标题： Mineral fillers and pigment containing carbonate
- 专利标题（中）： 矿物填料和含碳酸盐的颜料
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申请号： US93626992申请日： 1992-08-27
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公开(公告)号： US5292365B1公开(公告)日： 1996-10-01
- 发明人: DELFOSSE PIERRE
- 申请人： PLUSS STAUFFER AG
- 优先权： DE4128570 1991-08-28
- 主分类号： C01B32/60
- IPC分类号： C01B32/60 ; C01F11/18 ; C08K3/00 ; C08K3/24 ; C08K3/26 ; C09C1/02 ; C09C3/00 ; D21H17/00 ; D21H17/67 ; D21H19/00 ; D21H19/38 ; D21H21/00 ; C04B14/28
摘要：
Carbonate-containing mineral fillers, pigments or similar materials are described which are characterised in that they have …… a) a rhombohedral or substantially circular particle shape, … b) a steepness factor from 1.1 to 1.4, … c) a ratio… R = % of the particles m DIVIDED % of the particles m = 8 to 19… and … d) a mean statistical particle diameter of 0.4 - 1.5 m. …… These materials can be used in the paper industry both as paper filler and as coating pigment. … …
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